SoDrawStyle(3) on Linux
The text 7af4d4b03b3c, as Debian 8 (Jessie) shipped it.
The SoDrawStyle class specificies common rendering properties for shapes. Use SoDrawStyle nodes to influence how shape nodes following them in the scenegraph will be rendered. This node type have fields to help decide how certain aspects of point-based shapes, line-based shapes and filled shape primitives are rendered.